<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id ="app">
        <button v-on:click="getRandom">生成随机整数</button>
        <div>生成得随机数是:{{count}}</div>
    </div>
</body>
<script>
    var vm  = new Vue({
        el:'#app',
        data:{
            count:0
        },
        methods:{
            getRandom:function({
                this.count = Math.floor
            })
        }
    })
</script>
</html>